NSE shifts trading of 4 companies to Z Category effective December 26, 2025 for non-compliance with shareholding pattern submission requirements for two consecutive quarters (June 30 and September 30, 2025).
Impact
High
Severity
High
Justification
Movement to Z Category severely restricts trading liquidity as all trades settle on Trade-for-Trade basis with no intraday trading allowed. This affects 4 companies immediately and highlights 18 others already in Z Category for similar violations.
NSE continues trading of 19 companies in Z Category (BZ/SZ Series) due to non-compliance with annual report submission requirements for two consecutive years (FY2024 and FY2025).
Impact
High
Severity
High
Justification
Affects 19 companies already in restrictive trading with continuation of trade-for-trade settlement due to persistent regulatory non-compliance. High impact for investors in these securities with limited liquidity and settlement restrictions.
NSE circular listing 324 securities subject to Reversal Trade Cancellation Mechanism (RTCM) for November 2025, a surveillance measure to prevent price manipulation.
Impact
High
Severity
Medium
Justification
RTCM is a critical surveillance mechanism affecting 324 securities, enabling NSE to cancel erroneous or manipulative trades. High impact on trading operations and investor protection, though routine monthly update.
NSE updates Enhanced Surveillance Measure framework with securities moving between ESM stages effective October 10, 2025.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities under surveillance framework with stage movements requiring traders to adjust strategies for higher margin and price band restrictions.
NSE announces revised price bands for securities across different categories, effective October 08, 2025, impacting 3,006 securities with bands ranging from 2% to 40%.
Impact
High
Severity
Medium
Justification
Affects 3,006 securities with varying price bands, directly impacting trading volatility limits and risk management for market participants across multiple categories.
NSE announces securities moving into ESM Stage-I effective October 07, 2025, including 4 new securities with trading segment changes for some stocks effective October 08, 2025.
Impact
High
Severity
High
Justification
Affects multiple securities with enhanced surveillance restrictions and trading segment changes from EQ/SM to BE/ST, significantly impacting trading activity and investor access
NSE updates Enhanced Surveillance Measure framework with new securities in Stage I, stage transitions, and consolidated ESM list effective September 9, 2025.
Impact
Medium
Severity
Medium
Justification
Affects multiple securities with enhanced surveillance measures and trading restrictions
NSE announces changes to Enhanced Surveillance Measure including new securities additions, stage transitions, and 100% margin requirements effective September 1, 2025.
Impact
High
Severity
High
Justification
High impact due to 100% margin requirements and segment shifts affecting trading liquidity for multiple securities